import Vue from 'vue';
import VueRouter from 'vue-router';
import Login from 'views/login/Login.vue';
import Home from 'views/home/Home.vue';
import Welcome from 'views/home/childComp/Welcome.vue';
import Users from 'views/home/childComp/user/User.vue';
import Rights from 'views/home/childComp/power/Rights.vue';
import Roles from 'views/home/childComp/power/Roles.vue';
import GoodsCate from 'views/home/childComp/goods/GoodsCate.vue';

Vue.use(VueRouter);

const routes = [
  {
    path: '/',
    redirect: '/login'
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      {
        path: '/welcome',
        component: Welcome
      },
      {
        path: '/users',
        component: Users
      },
      {
        path: '/rights',
        component: Rights
      },
      {
        path: '/roles',
        component: Roles
      },
      {
        path: '/categories',
        component: GoodsCate
      }
    ]
  },
  {
    path: '/login',
    component: Login,
  }
];

const router = new VueRouter({
  routes,
});

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数，表示放行

  if (to.path === '/login') return next()
  // 获取 token 
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router;
